(3eDdaGJ YHO Gddg GdWhNi (B: (3GdeDdaGJ (B/ s - (3YHOGddg GdWhNis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1994)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs